GKFix MCQ Question

Which reaction demonstrates the acidic nature of Al2O3 when reacting with NaOH?

• A. Al2O3 + 6HCl → 2AlCl3 + 3H2O
• B. Al2O3 + 2NaOH → 2NaAlO2 + H2O
• C. Al2O3 + 3H2SO4 → Al2(SO4)3 + 3H2O
• D. Al2O3 + H2O → 2Al(OH)3